(1) One is the area of a circle with a specified radius. The format of this usage will have a description of the scope. For example, the phrase "within ten miles of Fiona Fang" is such an area with a radius of ten miles.
(2) Another one refers to "perimeter" or "perimeter of a circle", which is similar to the concept of perimeter. The format of this usage generally only talks about the distance, but does not describe the scope, such as "How many miles is Fiona Fang?".
"Fiona Fang Water Margin" is 800 Li, which is suitable for the second usage, that is, it goes around the water margin 800 Li in some way.
Fiona Fang's miles are uninhabited, which applies to the first usage, that is, there is no one within a certain mile.
Extended data:
1. At present, the compulsory evacuation area near nuclear radiation has reached 20 kilometers in Fiona Fang, and the government has suggested that people living within 30 kilometers should also evacuate.
2. For those who get lost in Fiona Fang within three miles from home, they are a godsend, and they are also full of fun for those who like to find the location of things.
If there is any danger within ten miles of Fiona Fang, it will surely find you.
In view of the unpredictability of this volcano, Indonesian officials expanded the "danger zone" of Fiona Fang to 20km.
Fiona Fang has no doctors or neighbors for miles, and his wife's condition doesn't allow him to leave for help.
6. The news that Tess Durbeyfield came back from her fake family has been widely circulated, if it is not too big to use the word legend in a mile of land in Fiona Fang.
7. He is the only blacksmith within a few miles from Fiona Fang. Because of his excellent work, his shop is often crowded with neighbors, old friends and owners of other shops in the village.
References:
Baidu Encyclopedia-Fiona Fang